Low-cost scalable
A novel fullerene malonate derivative featuring pyridyl and thiophene groups that synergistically passivate perovskite surface defects, suitable for air-processed inverted perovskite solar cells.
Zheng, Tian · Fan, Lisheng · Jin, Bo · Peng, Rufang
Journal of Colloid and Interface Science 2023
18.38% PCE (unencapsulated, air-processed)
16.64% for PCBM-based device
Two-step synthesis with high yield
Unencapsulated device shows significantly better long-term stability than PCBM